Nipple shield



FIG. 1 is a top, front, left perspective view of a nipple shield showing my new design;

FIG. 2 is a bottom, rear, right perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a cross-sectional elevational view taken in the direction of line 9-9 shown in FIG. 7.

The broken lines in the drawings depict portions of the nipple shield that form no part of the claimed design. 

CLAIM The ornamental design for a nipple shield, as shown and described. 